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1) Small organs associated with lymphatic vessels are termed ________.
A) lymph follicles
B) lymph nodes
C) lacteals
D) lymphatics
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B
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2) Which of the following would not be classified as a lymphatic structure?
A) pancreas
B) spleen
C) tonsils
D) Peyer’s patches of the intestine
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…
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3) Which of the following statements regarding the thymus is not true?
A) It functions strictly in T lymphocyte maturation.
B) It does not fight antigens.
C) Its stroma consists of epithelial tissue.
D) It has follicles similar to those in the spleen.
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D
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4) Lymph transport involves all but which of the following?
A) milking action of active muscle fibers
B) thorax pressure changes during breathing
C) smooth muscle contraction in the lymph capillary walls
D) lymph capillary minivalve action
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C
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5) The thymus is most active during ________.
A) fetal development
B) childhood
C) middle age
D) old age
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B
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6) Which lymphatic structure drains lymph from the right upper limb and the right side of the head and thorax?
A) lumbar trunk
B) thoracic duct
C) right lymphatic duct
D) cisterna chyli
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C
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7) Which of the following is not a part of the lymphatic system?
A) lymphatic vessels
B) lymph nodes
C) lymph
D) erythrocytes
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D
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8) The lymphatic capillaries are ________.
A) more permeable than blood capillaries
B) less permeable than blood capillaries
C) as permeable as blood capillaries
D) completely impermeable
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A
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9) Antibodies that act against a particular foreign substance are released by ________.
A) T lymphocytes
B) plasma cells
C) lymph nodes
D) medullary cords
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B
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10) Lymph leaves a lymph node via ________.
A) efferent lymphatic vessels
B) afferent lymphatic vessels
C) the cortical sinus
D) the subcapsular sinus
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A
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11) Which cells become immunocompetent due to thymic hormones?
A) basophils
B) lymphocytes
C) macrophages
D) monocytes
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B
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12) Functions of the spleen include all of those below except ________.
A) removal of old or defective blood cells from the blood
B) forming crypts that trap bacteria
C) storage of blood platelets
D) storage of iron
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B
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13) When the lymphatic structures of a limb are blocked due to tumors, the result is ________.
A) shrinkage of tissues distal in the limb to the blockage due to inadequate delivery of lymph
B) severe localized edema distal to the blockage of that limb
C) increased pressure in the lymphatics proximal in the limb to the blockage
D) abnormally high lymph drainage from the distal region
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B
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14) Select the correct statement about lymph transport.
A) Under normal conditions, lymph vessels are very high-pressure conduits.
B) Lymph transport is faster than that occurring in veins.
C) Lymph transport is only necessary when illness causes tissue swelling.
D) Lymph transport depends on the movement of adjacent tissues, such as skeletal muscles.
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D
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31) Which of the following is not a function of lymph nodes?
A) act as lymph filters and activate the immune system
B) produce lymphoid cells and house granular WBCs
C) produce lymph fluid and cerebrospinal fluid
D) serve as antigen surveillance areas
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C
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30) Which of the following is not a function of the lymphatic system?
A) draining excess interstitial fluid
B) carrying out immune responses
C) transporting dietary fats
D) transporting respiratory gases
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D
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28) A sentinel node is ________.
A) a lymph node found in the intestinal lamina propria
B) the first node at the junction of all the lumbar trunks
C) a small node in the spleen
D) the first node to receive lymph from an area suspected to be cancerous
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…
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29) Which of the following are functions of lymphoid tissue?
A) house and provide a proliferation site for lymphocytes
B) house and provide a proliferation site for neutrophils
C) furnish an ideal surveillance vantage point for lymphocytes and macrophages
D) A and C
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D
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15) Select the correct statement about lymphocytes.
A) The two main types are T cells and macrophages.
B) B cells produce plasma cells, which secrete antibodies into the blood.
C) T cells are the precursors of B cells.
D) T cells are the only form of lymphocyte found in lymphoid tissue
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B
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27) Which of the following is not a normal component of lymph?
A) water
B) plasma proteins
C) red blood cells
D) ions
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C
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16) Select the correct statement about lymphoid tissue.
A) Once a lymphocyte enters the lymphoid tissue, it resides there permanently.
B) Lymphoid macrophages secrete antibodies into the blood.
C) Lymphoid tissue is predominantly reticular connective tissue.
D) T lymphocytes act by ingesting foreign substances
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C
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26) The tonsils located at the base of the tongue are the ________.
A) lingual tonsils
B) palatine tonsils
C) pharyngeal tonsils
D) Peyer’s tonsils
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A
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17) Lymphoid tissue that appears as a swelling of the mucosa in the oral cavity is called a(n) ________.
A) tonsil
B) thymus
C) Peyer’s patch
D) appendix
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A
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25) Which of the following is not a method that maintains lymph flow?
A) skeletal muscle contraction
B) breathing
C) valves in lymph vessel walls
D) capillary smooth muscle contraction
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D
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18) Which of the following does not contain a mucosa-associated lymphatic tissue?
A) tonsil
B) thymus
C) Peyer’s patch
D) appendix
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B
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19) Peyer’s patches are found in the ________.
A) duodenum of the small intestine
B) ileum of the small intestine
C) large intestine
D) jejunum of the small intestine
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B
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24) Digestive tract-associated lymphatic tissue includes all of the following except ________.
A) Peyer’s patches
B) palatine tonsils
C) lingual tonsils
D) islets of Langerhans
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D
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20) Lymph capillaries are absent in all except which of the following?
A) bones and teeth
B) bone marrow
C) CNS
D) digestive organs
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D
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23) Large clusters of lymph nodes occur in all of the following locations except the ________.
A) inguinal region
B) cervical region
C) axillary region
D) lower extremities
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D
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21) What is a bubo?
A) a wall in a lymph node
B) a lobe of the spleen
C) an infected Peyer’s patch
D) an infected lymph node
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D
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22) The thymus is the only lymphoid organ that does not ________.
A) have lymphocytes
B) produce hormones
C) have a cortex and medulla
D) directly fight antigens
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D
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